Non-intrusive, non-destructive testing.

NASA
grounds their Shuttle fleet, leaving the International Space Station
on its own. Rescue workers pick their way through the shaky debris of
the World Trade Center. A videotape horrifically captures both wings
snapping off a disintegrating C-130 tanker as it fights a blaze north
of Yosemite. A medical researcher seeks new vaccines in a delicately
expanding crystal of protein.